Chemistry Which one of the following has greatest mass ? Hydrogen nucleus Proton Electron Neutron Hydrogen nucleus Proton Electron Neutron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a soluble salt in H2O CuS CaCl2 PbCl2 Zn(OH)2 CuS CaCl2 PbCl2 Zn(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk tastes sour when it is left in open for some time. This happens due to the formation of Lactic acid Carbonic acid Acetic acid Citric acid Lactic acid Carbonic acid Acetic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Saltpetre Hydrogen peroxide Borax Sodium chloride Saltpetre Hydrogen peroxide Borax Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called liquation leaching magnetic separation levigation liquation leaching magnetic separation levigation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Nitrogen Methane Helium Hydrogen Nitrogen Methane Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP